package com.ty.utils;

import java.util.Map;

/**
 * 线程局部变量
 */
public class ThreadLocalUtils {

    static ThreadLocalUtils instance;
    /**
     * 线程局部变量
     */
    ThreadLocal<Map> threadLocal = new ThreadLocal<>();

    /**
     * 保存数据
     *
     * @param map
     */
    public void set(Map map) {
        threadLocal.set(map);
    }

    public Map get() {
        return threadLocal.get();
    }

    public void remove() {
        threadLocal.remove();
    }

    private ThreadLocalUtils() {
    }

    public static ThreadLocalUtils getInstance() {
        if (null == instance) {
            instance = new ThreadLocalUtils();
        }
        return instance;
    }

}
